Entry 1 sense Webster, 1913 Phasmid · Phas·mid · IPA /ˈfæz.mɪd/ 01 n. Any orthopterous insect of the family Phasmidæ, as a leaf insect or a stick insect. 1. Any orthopterous insect of the family Phasmidæ, as a leaf insect or a stick insect.(Zool.)